Lotus Engineering, "Exige 265E Bio-Fuel: British, Racing and Very Green," "» Case Studies". Archived from the original on 24 July 2008. Retrieved 23 September 2008.
Lotus Engineering, "Exige 265E Bio-Fuel: British, Racing and Very Green," "» Case Studies". Archived from the original on 24 July 2008. Retrieved 23 September 2008.